diameter tandem concave steel rollersStamped steel housing with ball bearing rollersFeatures end screw adjustmentUsed on wood sliding patio doorsA Phillips head screwdriver is required for installationFor further dimensional information, please see the line drawing 1-1/4 in. This is a unique housing tandem roller assembly used by a variety of manufacturers of sliding patio doors. wide and 4-1/2 in. Steel Ball Bearing Low Carriage Sliding Door Roller Assembly When the housing is inserted into the mortised area in the bottom rail, screws are used to fasten it in place.
6024.30 mm, Drill Bit Point Angle 140 Degrees , Carbide, Coolant Through, Cutting Direction Right Hand, Decimal Equivalent 0.Screw Machine Drill Bit, Drill Bit Size 15.